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Recent questions tagged electrical capacitance
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On keeping a dielectric plate in between an air capacitor of 2 μF capacitance, its capacitance becomes 5 μF
asked
Apr 3, 2019
in
Class 12
by
kratos
class-12
electrical capacitance
+3
votes
1
answer
A metallic sphere of radius 9 cm has been given a charge of 4 x 10^-6C. Calculate energy of charged conductor.
asked
Apr 2, 2019
in
Class 12
by
kratos
class-12
electric field and potential
electric field
electrical capacitance
+1
vote
1
answer
Two spheres of 3 μF and 5 μF are charged by potential of 300 V and 500 V respectively. The common potential will be:
asked
Mar 30, 2019
in
Class 12
by
kratos
class-12
electrical capacitance
+1
vote
1
answer
A point charge of magnitude + 1 μC is fixed at (0, 0, 0). An isolated uncharged spherical conductor,
asked
Mar 30, 2019
in
Class 12
by
kratos
neet
cbse
capacitance
electrostatics
electrostatic potential
jee
aiims
jee mains
class-12
electrical capacitance
+3
votes
1
answer
The capacitance of parallel plate capacitor........by introduction of dielectric between the plates of the capacitor
asked
Mar 28, 2019
in
Class 12
by
kratos
capacitance
electrostatic potential
class-12
electrical capacitance
+2
votes
0
answers
The capacitance of a spherical conductor is 1 pF. Calculate its radius.
asked
Mar 28, 2019
in
Class 12
by
kratos
class-12
electrical capacitance
+1
vote
0
answers
Define electrical capacitance and write its *.I. unit.
asked
Mar 27, 2019
in
Class 12
by
kratos
class-12
electrical capacitance
+2
votes
1
answer
Two metal spheres of capacitances C1 and C2, carry some charges.
asked
Mar 27, 2019
in
Class 12
by
kratos
class-12
capacitors
electrical capacitance
+1
vote
1
answer
What is the equivalent capacitance when the capacitors of capacitance of 2μF are connected in series combination?
asked
Mar 26, 2019
in
Class 12
by
kratos
class-12
electrical capacitance
+3
votes
1
answer
64 identical drops each of capacity 5 μF combine to form a big drop. what is the capacity of big drop?
asked
Mar 24, 2019
in
Class 12
by
kratos
class-12
bseb model set
electrical capacitance
+3
votes
1
answer
An electron moves straight inside a charged parallel plate capacitor at uniform charge density σ .
asked
Mar 20, 2019
in
JEE
by
kratos
electromagnetic induction
magnetic effects of electric current
jee
jee mains
magnetic effects of current
magnetism
class-12
electrical capacitance
+3
votes
0
answers
Obtain the formula for capacitance of a spherical conductor.
asked
Mar 14, 2019
in
Class 12
by
kratos
class-12
electrical capacitance
+3
votes
1
answer
Write the unit of energy density.
asked
Mar 7, 2019
in
Class 12
by
kratos
class-12
electrical capacitance
+1
vote
1
answer
The charge on a metallic shphere of radius 9 cm is 4 x 10^-6 C. calculate the potential energy of charge on the conductor.
asked
Mar 3, 2019
in
Class 12
by
kratos
neet
jee
jee mains
class-12
current electricity
electrical capacitance
+2
votes
1
answer
In the circuit shown, the potential difference across the 3-μF capacitor is V,
asked
Mar 3, 2019
in
JEE
by
kratos
electricity
jee
jee mains
class-12
electrical capacitance
+2
votes
0
answers
Obtain the capacitance for a parallel plate capacitor partially filled with a dielectric substance.
asked
Feb 28, 2019
in
Class 12
by
kratos
class-12
electrical capacitance
+3
votes
0
answers
The capacitance of a capacitor is C. It is charged till the potential difference of V. Now, if it is related to the resistance
asked
Feb 24, 2019
in
Class 12
by
kratos
class-12
electrical capacitance
+3
votes
1
answer
64 identical drops each of capacity 5μF combine to form a big drop. Capacity of the big drop will
asked
Feb 22, 2019
in
Class 12
by
kratos
class-12
bseb model set
electrical capacitance
+2
votes
1
answer
On increasing the charge on a spherical conductor by three times, what is the effect on its capacitance? Give reason.
asked
Feb 21, 2019
in
Class 12
by
kratos
class-12
electrical capacitance
+2
votes
1
answer
Find the charges on the four capacitors of capacitances 1 μF, 2 μF, 3 μF and 4 μF shown in figure (32-E32).
asked
Feb 21, 2019
in
Class 12
by
kratos
class-12
electric current in conductors
electrical capacitance
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